In this quote, Sajid Javid references the fact that he is the Chancellor of the Exchequer living upstairs in No. 11 Downing Street. The Chancellor and his family traditionally live above his office in No. 11 (as does the Prime Minister in No. 10).
Sajid Javid, Conservative Party Conference, 30th September 2019 01 y'know twenty years ago 02 mum though it was a big deal 03 when she watched her first Asians 04 move into Coronation Street 05 here in Manchester ((laughter)) 06 well now 07 she's watched the first Asians move into Downing Street 08 ((applause)) 09 er 10 once again we're living above the shop 11 ((laughter)) 12 but I'm so happy to make her proud